During the later stages of his life, Jalal devoted himself to propagating Islam. The famous traveller
Ibn Battuta, then in
Satgaon, made a one-month journey through the mountains of
Kamarupa, north-east of Sylhet, to meet him. On his way to Sylhet via
Habung, Ibn Battuta was greeted by several of Jalal's disciples who had come to assist him on his journey many days before he had arrived. At the meeting in 1345, Ibn Battuta noted that Shah Jalal was tall and lean, fair in complexion and lived by the mosque in a cave, where his only item of value was a goat he kept for milk, butter, and yogurt. He observed that the companions of the Shah Jalal were foreign and known for their strength and bravery. He also mentions that many people would visit Jalal to seek guidance. He recalls:This shaikh was one of the great saints and one of the unique personalities. He had to his credit miracles (karamat) well known to the public as well as great deeds, and he was a man of hoary age. . . . The inhabitants of these mountains had embraced Islam at his hands, and for this reason he stayed amidst them.The meeting between Ibn Battuta and Shah Jalal is described in his Arabic travelogue,
Rihla (
The Journey). Even today in
Hadramaut, Yemen, Jalal's name is established in folklore. The exact date of his death is debated, but he is reported by Ibn Battuta to have died on 20 Dhul Qa'dah 746 AH (15 March 1346 CE). He was buried in Sylhet in
his dargah (tomb), which is located in a neighbourhood now known as
Dargah Mahalla. Whether or not he has descendants is debated. He appointed his closest companion, Haji Muhammad Yusuf to be the khadim (guardian) of his
dargah and Yusuf's descendants, the
Sareqaum family, continue to have this role. His shrine is famous in Sylhet and throughout Bangladesh, with hundreds of Muslims devotees visiting daily. He is buried next to four of his companions. The ex-Prince of Yemen, Shahzada Sheikh Ali to his south, Haji Yusuf to his east and Haji Khalil and Haji Dariya both to his west. The largest mosque in Sylhet was built at the Dargah (also one of the largest in Bangladesh). == Spiritual genealogy ==